public static IPEndPoint ParseIPEndPoint(FtpReply ftpReply)
{
if (!ftpReply.Success)
{
return null;
}
var matches = Regex.Match(ftpReply.ResponseMessage,
"([0-9]+),([0-9]+),([0-9]+),([0-9]+),([0-9]+),([0-9]+)");
if (!matches.Success)
{
return null;
}
if (matches.Groups.Count != 7)
{
return null;
}
var ipAddress = ParseIPAddress(from index in Enumerable.Range(1,
4)
let octet = matches.Groups[index].Value
select octet);
var p1 = matches.Groups[5].Value;
var p2 = matches.Groups[6].Value;
var port = ParsePassivePort(p1,
p2);
var ipEndPoint = new IPEndPoint(ipAddress,
port);
return ipEndPoint;
}
public static FtpReply ParseFtpReply(string data)
{
if (string.IsNullOrEmpty(data))
{
return FtpReply.Failed;
}
var ftpResponseType = FtpResponseType.None;
var messages = new List<string>();
var stringResponseCode = string.Empty;
var responseCode = 0;
var responseMessage = string.Empty;
var lines = data.Split(Environment.NewLine.ToCharArray(),
StringSplitOptions.RemoveEmptyEntries);
foreach (var line in lines)
{
var match = Regex.Match(line,
FtpReply.RegularExpressionForParsing);
if (match.Success)
{
if (match.Groups.Count > 1)
{
stringResponseCode = match.Groups[1].Value;
}
if (match.Groups.Count > 2)
{
responseMessage = match.Groups[2].Value;
}
if (!string.IsNullOrWhiteSpace(stringResponseCode))
{
var firstCharacter = stringResponseCode.First();
var character = firstCharacter.ToString(CultureInfo.InvariantCulture);
var intFtpResponseType = int.Parse(character);
ftpResponseType = (FtpResponseType) intFtpResponseType;
responseCode = int.Parse(stringResponseCode);
}
}
messages.Add(line);
}
var ftpReply = new FtpReply(ftpResponseType,
responseCode,
responseMessage,
messages,
data);
return ftpReply;
}
